package com.yusysqdy.gulimail.member.exception;

/**
 * @program: gulimail
 * @contact: qindy0116@126.com
 * @author: Mr.DYQin
 * @create: 2021-02-02 15:25
 **/
public class UserNameExistException extends RuntimeException {
    public UserNameExistException() {
        super("用户名存在");
    }
}
